FMF Megabomb Titanium Header 042408 for Kawasaki KX250F and KX250X

The FMF Megabomb Titanium Header, manufacturer part number 042408 and vendor part number 042408, is a high-performance exhaust component engineered for select Kawasaki motocross and cross-country applications. Featuring FMF Resonance Chamber Technology, this tuned header is designed to reduce exhaust sound while maintaining strong power output. Its application-specific core specifications help optimize exhaust flow and pressure for responsive engine performance.

The patented canister and chamber designs increase the available volume for sound-absorbing material while refining exhaust pressure throughout the system. FMF Factory Forward Engineering centralizes mass and helps reduce the header’s exposure to crash damage, making it a practical choice for demanding off-road use. The titanium construction provides a lightweight, durable solution for riders seeking performance-focused exhaust upgrades.

This FMF Megabomb header fits the 2025 and 2026 Kawasaki KX250F and KX250X. The innovative rear end cap supports straightforward installation of tuning tip inserts or a spark arrestor. A spark arrestor and wash plug are included for added convenience during installation, maintenance, and trail preparation. Verify motorcycle year and model compatibility before ordering.

Features:

• Resonance Chamber Technology: Uses FMF’s latest chamber design to help lower sound levels while maintaining maximum power output.
• Patented Canister Shape: Increases internal volume for additional sound-absorbing material.
• Patented Chamber Design: Enhances and refines exhaust pressure for application-specific performance.
• Factory Forward Engineering: Centralizes mass and helps reduce susceptibility to crash damage.
• Tuned Exhaust: Uses optimized core specifications for the Kawasaki application.
• Innovative Rear End Cap: Allows simple installation of tuning tip inserts or a spark arrestor.
• Titanium Construction: Includes a titanium canister and mid-pipe for a lightweight performance design.
• Included Accessories: Supplied with a spark arrestor and wash plug.
• Fitment: Fits 2025 Kawasaki KX250F, 2025 Kawasaki KX250X, 2026 Kawasaki KX250F, and 2026 Kawasaki KX250X.